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Every bridge in Contra Costa County, California

622 inventoried bridges, busiest first (page 1 of 2)

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Contra Costa County, California, has 622 bridges in the 2025 National Bridge Inventory: 260 rated good, 306 fair, and 56 poor (as of August 20, 2026).
This index lists every one of them, busiest first, 500 per page; each links to its own condition record.

Page 1 · 2

Bridge	Built	Vehicles/day	Condition
Interstate 680 over Canal & Bike Path	1956	257,000	Fair
Interstate 680 over Monument Boulevard	1998	235,000	Poor
Interstate 680 over Parkside Drive	1960	235,000	Good
Interstate 680 over Livorna Road	1964	197,400	Good
Interstate 680 over Rudgear Road	1964	197,400	Good
Interstate 680 over Las Trampas Creek	1960	195,300	Fair
Interstate 680 over Lilac Drive	1960	195,300	Fair
Interstate 680 over Newell Avenue	1994	195,300	Fair
Interstate 680 over Olympic Boulevard	1994	195,300	Fair
Interstate 680 over South Main Street	1959	195,300	Good
Interstate 680 over Stone Valley Road	1964	195,300	Fair
Interstate 680 over El Pintado Road	1964	194,300	Fair
Interstate 680 over La Gonda Way	1964	194,300	Fair
Interstate 680 over Diablo Road	1964	192,200	Fair
Interstate 680 over Laurel Drive	1964	192,200	Poor
Interstate 680 over San Ramon Creek	1964	192,200	Fair
Interstate 680 over El Cerro Boulevard	1964	190,100	Good
Interstate 680 over Green Valley Creek	1964	190,100	Good
Interstate 680 over Montevideo Drive	1966	181,700	Fair
Interstate 680 over Pine Valley Road	1966	181,700	Good
I80 Jacuzzi Pierce over Cerrito Creek	1936	179,000	Fair
Interstate 80 over BNSF Sycamore Willow	1998	179,000	Fair
Interstate 80 over Barrett Avenue	1956	179,000	Good
Interstate 80 over Bartd	1970	179,000	Fair
Interstate 80 over Carlson Blvd	1960	179,000	Good
Interstate 80 over Central Avenue	1958	179,000	Fair
Interstate 80 over El Portal Drive	1956	179,000	Poor
Interstate 80 over Macdonald Ave & E80 Off	1956	179,000	Good
Interstate 80 over Pinole Creek	1957	179,000	Good
Interstate 80 over Pinole Valley Road	1957	179,000	Good
Interstate 80 over Potrero Ave & S80 on Rmp	1956	179,000	Good
Interstate 80 over Richmond Greenway Trail	1954	179,000	Fair
Interstate 80 over San Pablo Avenue	1956	179,000	Good
Interstate 80 over San Pablo Creek	1954	179,000	Good
Interstate 80 over State Route 4 & Ramps	1958	179,000	Poor
Interstate 80 over Wildcat Creek	1956	179,000	Fair
Interstate 680 over San Ramon Creek	1966	176,400	Fair
Interstate 680 over Grayson Creek	1962	169,000	Poor
Interstate 80 WB over Carquinez Straits RR	2003	154,000	Fair
Interstate 680 over Center Ave	1962	130,000	Poor
Interstate 680 over Concord Ave	1962	130,000	Fair
Interstate 680 over Willow Pass Road	1962	130,000	Poor
Interstate 80 EB over Carquinez Strait UP RR	1958	128,000	Fair
Interstate 680 over Blum Road	1962	118,000	Poor
Interstate 680 over E Martinez Drain	1962	118,000	Good
Interstate 680 NB over Ygnacio Valley Road	1995	117,500	Fair
Interstate 680 SB over Ygnacio Valley Road	1995	117,500	Fair
Interstate 680 SB over UP BNSF Amtrak Suisun Ba	1962	115,000	Fair
Interstate 80 over Refinery Access Rd	1958	115,000	Fair
Interstate 80 over Refinery Access Rd	1958	115,000	Fair
Interstate 80 over Rodeo Creek	1958	115,000	Good
Interstate 80 over Willow Avenue	1958	115,000	Poor
State Route 4 over Maintenance Access	1953	114,000	Fair
Interstate 80 WB over San Pablo Etc. UP RR	2003	109,000	Fair
Interstate 680 NB over UP BNSF Amtrak Suisun Ba	2007	105,000	Good
Interstate 680 over Arthur Road	1962	105,000	Good
Interstate 680 over South Mococo Drain	1962	105,000	Good
State Route 242 over Concord Avenue	1963	100,000	Poor
State Route 242 over Holbrook Channel	1978	100,000	Good
Interstate Rte 580 over Stege Drain	2022	92,300	Good
Interstate 80 EB over Cutting Blvd	1997	89,500	Fair
Interstate 80 WB over Cutting Blvd	1997	89,500	Fair
Interstate 680 NB over Mt Diablo Boulevard	1998	87,700	Fair
Interstate 680 SB over Mt Diablo Boulevard	1995	87,700	Fair
State Route 580 over Rust Drain	1991	84,500	Fair
State Route 4 over Grayson Creek	2021	82,600	Good
State Route 4 over Interstate Route 680	1962	82,600	Fair
State Route 4 over Pacheco Blvd	1962	82,600	Fair
State Route 242 over Clayton Road-s242 on Rmp	1986	80,000	Fair
State Route 242 over Rv Storage	1963	80,000	Fair
State Route 242 over Solano Way	1963	80,000	Fair
State Route 242 over Willow Pass Road	1963	80,000	Fair
SR 24 EB over Pleasant Hill Road	1971	79,500	Fair
SR 24 WB over Pleasant Hill Road	1970	79,500	Fair
State Route 24 EB over Acalanes Road	1959	79,500	Good
State Route 24 EB over Camino Pablo	1954	79,500	Fair
State Route 24 EB over Lafayette Sta Puc(bartd)	1971	79,500	Good
State Route 24 WB over Acalanes Road	1969	79,500	Fair
State Route 24 WB over Camino Pablo	1969	79,500	Good
State Route 24 WB over Lafayette Sta Puc(bartd)	1970	79,500	Poor
State Route 24 WB over Walnut Creek Uc (bartd)	1970	79,500	Good
State Route 24 over Brown Avenue	1957	79,500	Poor
State Route 24 over Dolores Drive	1970	79,500	Fair
State Route 24 over Dolores Drive	1957	79,500	Good
State Route 24 over Ebmud Aqueduct	1957	79,500	Poor
State Route 24 over Ebmud Aqueduct Brown Av	1970	79,500	Fair
State Route 24 over El Nido Ranch Rd	1957	79,500	Poor
State Route 24 over El Nido Ranch Rd Aqueduc	1969	79,500	Fair
State Route 24 over First Street	1970	79,500	Fair
State Route 24 over First Street	1971	79,500	Good
State Route 24 over Happy Valley Road	1970	79,500	Good
State Route 24 over Happy Valley Road	1957	79,500	Fair
State Route 24 over Oak Hill Road	1970	79,500	Fair
State Route 24 over Oak Hill Road	1971	79,500	Fair
Interstate 580 over San Pablo Bay	1956	78,000	Fair
State Route 4 EB over Port Chicago Hwy	1976	73,000	Fair
State Route 4 EB over Usn RR & Kinne Blvd	1976	73,000	Good
State Route 4 EB over Willow Pass Road	1976	73,000	Fair
State Route 4 WB over Port Chicago Hwy	1976	73,000	Fair
State Route 4 WB over Usn RR & Kinne Blvd	1975	73,000	Good
State Route 4 WB over Willow Pass Road	1975	73,000	Fair
Interstate 580 over BNSF Ry South Second St	1990	69,000	Poor
I 580 over Marine Street	1990	68,000	Fair
Route 580 WB over Hillside	1989	68,000	Fair
Ygnacio Valley Rd over Walnut Creek	1975	65,100	Good
S680-w24 Connector over N680-w24 Camino Diablo	1997	65,000	Poor
N680-n242 Connectr over Walnut Creek	1963	63,800	Poor
State Route 4 EB over Bailey Road	1994	63,500	Good
State Route 4 EB over Contra Costa Canal	1997	63,500	Good
State Route 4 EB over Willow Pass Road	1995	63,500	Fair
State Route 4 WB over Bailey Road	1995	63,500	Fair
State Route 4 WB over Contra Costa Canal	1997	63,500	Good
State Route 4 WB over Willow Pass Road	1995	63,500	Good
State Route 4 over Abandoned BNSF Ry Spur	1967	62,000	Good
State Route 4 over BNSF Ry	1938	62,000	Fair
State Route 4 over Ebmud Service Road	1978	62,000	Fair
State Route 4 EB over Bart Tracks	1995	61,200	Good
State Route 4 EB over Century Blvd	2013	57,000	Good
State Route 4 EB over Contra Loma Blvd	2015	57,000	Good
State Route 4 EB over Somersville Road	2013	57,000	Good
State Route 4 WB over Century Blvd	2013	57,000	Fair
State Route 4 WB over Contra Loma Blvd	2015	57,000	Good
State Route 4 WB over Somersville Road	2013	57,000	Good
Treat Boulevard over Interstate 680	1982	55,600	Fair
Interstate 580 over Canal Boulevard	1991	55,000	Fair
State Route 4 over Franklin Equip & Pipe Uc	1967	55,000	Fair
Interstate 680 NB over UPRR Marina Vista Mococo	2006	51,000	Poor
Interstate 680 SB over UPRR Marina Vista Mococo	1962	51,000	Fair
State Route 4 EB over A Street	2016	50,500	Good
State Route 4 WB over A Street	2016	50,500	Good
S680-w24 Connector over Ygnacio Valley Road	1994	49,000	Good
Bailey Rd-w4 Onrmp over Contra Costa Canal	1997	47,000	Good
S242-s680 Connectr over Interstate 680	1963	47,000	Fair
State Route 4 EB over Cavallo Road	2016	47,000	Good
State Route 4 WB over Bart Tracks Access Road	2016	47,000	Fair
State Route 4 WB over Cavallo Road	2016	47,000	Good
State Route 4 over Balfour Road	2018	45,500	Good
State Route 4 over Deer Creek	2018	45,500	Good
State Route 4 EB over Peralta Road	1978	42,800	Good
State Route 4 EB over Solano Way	1981	42,800	Good
State Route 4 WB over Solano Way	1981	42,800	Fair
State Route 4 EB over Walnut Creek	1981	41,300	Fair
State Route 4 WB over Walnut Creek	1981	41,300	Fair
State Route 4 WB over Franklin Canyon Rd	2001	40,500	Fair
E4-n160 Connector over State Route 4	2005	40,000	Fair
State Route 4 WB over Lone Tree Way	2008	40,000	Fair
Ygnacio Valley Rd over Pine Creek	1954	39,300	Good
Willow Pass Rd over Walnut Creek	1954	37,000	Fair
North Main Street over Interstate 680	1996	36,800	Poor
Treat Blvd over Walnut Creek	1970	36,800	Fair
Claeys Lane over State Route 4	2001	35,000	Good
E24-s680 Connector over Boulevard Way	1994	34,000	Poor
I 580 EB over Scofield Avenue	1956	34,000	Fair
Interstate 580 WB over Hillside	1985	34,000	Fair
Interstate 580 WB over Scofield Avenue	1956	34,000	Fair
Monument Blvd over Walnut Creek	1965	33,600	Fair
I 580 WB over BNSF Ry & Garrard Blvd	1991	33,500	Fair
State Route 580 over Stenmark Dr SB On-ramp	1956	33,500	Fair
Diamond Blvd over Walnut Creek	1966	33,000	Fair
Diamond Blvd over Walnut Creek	1966	33,000	Fair
Hilltop Drive EB over Interstate 80	2009	32,500	Fair
Hilltop Drive WB over Interstate 80	1977	32,500	Fair
Monument Blvd over Pine Creek	1940	32,500	Fair
Richmond Parkway over San Pablo Creek	1989	32,244	Fair
E24/n680 Connector over N680/w24 Conn I-680 C.d.	1998	32,000	Fair
Richmond Parkway over Interstate 80	1997	31,057	Fair
State Route 4 EB over Alhambra Ave	1967	31,000	Fair
State Route 4 EB over Alhambra Way	1967	31,000	Fair
State Route 4 EB over Morello Ave	1975	31,000	Fair
State Route 4 EB over W4-s242 Connector Ramp	1978	31,000	Fair
State Route 4 WB over Alhambra Ave	1967	31,000	Fair
State Route 4 WB over Alhambra Way	1967	31,000	Fair
State Route 4 WB over Morello Ave	1975	31,000	Fair
State Route 4 WB over Peralta Road	1981	31,000	Good
State Route 4 WB over W4-s242 Connector Ramp	1978	31,000	Fair
G Street over State Route 4	2014	30,000	Good
Bancroft Road over Contra Costa Canal	1968	29,800	Good
San Pablo Dam Road over Interstate 80	1956	29,196	Fair
Treat Blvd over Galindo Creek	1968	28,708	Fair
EB 4-sb 680 Conn over Grayson Creek	2005	28,700	Poor
Main Street over Contra Costa Canal	1977	28,500	Poor
Sycamore Valley Rd over Sycamore Creek	1974	28,237	Good
Sycamore Vly Rd over San Ramon Creek	1965	28,237	Fair
Railroad Avenue over State Route 4	2004	28,000	Good
I 580 EB over BNSF Ry & Garrard Blvd	1980	27,500	Fair
I 580 EB over Castro Street	1988	27,500	Poor
I 580 WB over Castro Street	1990	27,500	Poor
Castro Street over Chevron Railroad Tracks	1995	27,000	Fair
Richmond Parkway over Castro St	1995	27,000	Fair
Richmond Parkway over Parkway Wetlands	1995	27,000	Good
Richmond Pkwy NB over Giant UP RR BNSF Amtrak	1995	27,000	Poor
Richmond Pkwy SB over Giant UP RR BNSF Amtrak	1995	27,000	Poor
Alcosta Blvd over South San Ramon Creek	1962	26,700	Good
13TH St over Wildcat Creek	1994	25,106	Good
N680-olympic Off over Las Trampas Creek	1996	25,000	Fair
Olivera Road over Ebmud Service Road	1978	24,360	Fair
Alcosta Boulevard over Interstate 680	1965	23,975	Good
S160-e4 Connector over Route 4	2016	23,900	Good
EB Onramp over BNSF Ry & Garrard Blvd	1980	23,750	Poor
Loveridge Road over State Route 4	2014	23,432	Fair
Stone Valley Rd over San Ramon Creek	1964	23,330	Fair
State Route 4 EB over Mcewen Road	1967	23,000	Fair
State Route 4 WB over Mcewen Road	1967	23,000	Fair
State Route 4 WB over Sand Creek	2003	23,000	Fair
Willow Pass Road over Pine Creek	1963	22,357	Good
Richmond Parkway over Giant Highway	1995	22,244	Fair
Center Avenue over State Route 4	1975	22,000	Fair
State Route 4 WB over BNSF Ry & Amtrak	2001	21,750	Good
Olympic Blvd over Las Trampas Creek	1963	21,623	Fair
Diablo Road over San Ramon Creek	1966	21,350	Fair
N. Broadway over Walnut Creek	1971	20,905	Fair
S California Blvd over Las Trampas Creek	1958	20,800	Fair
W4-w80 Connector over BNSF Willow Sycamore	1983	20,700	Fair
San Pablo Ave over San Pablo Creek	1926	20,490	Fair
Railroad Ave over Contra Costa Canal	1938	20,300	Fair
State Route 4 EB over Rodeo Creek	1920	20,250	Fair
State Route 4 WB over Rodeo Creek	2001	20,250	Fair
Appian Way NB over Interstate 80	1985	20,000	Fair
Appian Way SB over Interstate 80	1957	20,000	Poor
Sand Creek Road over Marsh Creek	2002	20,000	Good
State Route 4 EB over Contra Costa Canal	2008	20,000	Good
State Route 4 WB over Contra Costa Canal	2008	20,000	Good
WB Route 4 Offramp over Somersville Road	2012	20,000	Good
Pinole Valley Rd over Pinole Creek	1966	19,900	Fair
Vasco Road over Brushy Creek	1996	19,806	Good
Vasco Road over Brushy Creek	1996	19,806	Good
Vasco Road over Uniman/frisk Creek	1996	19,806	Good
Bancroft Rd over Walnut Creek	1958	19,300	Good
Lawrence Way over Parkside Drive	1992	19,300	Fair
Hillcrest Ave SB over State Route 4	1971	19,100	Fair
Kirker Pass Rd over Mount Diablo Creek	1967	19,000	Fair
Willow Pass Road over Contra Costa Canal	1994	19,000	Good
Ygnacio Valley Rd over Galindo Creek	1954	19,000	Fair
SR 160 over San Joaquin Rivr Antioch	1978	18,900	Good
State Route 4 over Kellogg Creek	1990	18,900	Fair
State Route 4 over Kendall Creek Overflow	1990	18,900	Fair
Rumrill Blvd over San Pablo Creek	2012	18,800	Good
Diablo Rd over Green Valley Creek	1953	18,463	Fair
SB SR 242 Offramp over Rv Storage	1996	18,300	Fair
Treat Blvd over Contra Costa Canal	1970	18,245	Good
Treat Blvd over Pine Creek	1965	18,245	Good
Concord Ave over Walnut Creek	1964	18,144	Fair
Hillcrest Ave NB over State Route 4	1997	18,000	Fair
Brentwood Blvd over Marsh Creek	1928	17,900	Fair
N680-w24 Connector over Olympic Blvd I-680	1998	17,800	Fair
Concord Ave over Walnut Creek	1964	17,732	Fair
South Main St over Las Trampas Creek	1919	17,700	Good
Vasco Road over Kellogg Creek	1996	17,424	Good
Olivera Road over State Route 242	1978	17,400	Fair
West Tenth Street over West Antioch Creek	2017	17,298	Good
Pacheco Blvd over Grayson Creek	1975	17,285	Fair
Harbor Street over State Route 4	2003	17,284	Fair
Newell Ave over Tice Creek	1962	17,100	Fair
Oak Park Blvd over I 680 N Main Street	1982	16,900	Fair
Richmond Parkway over Wild Cat Creek	1994	16,485	Good
Bailey Rd over Contra Costa Canal	1969	16,200	Good
Newell Ave over San Ramon Creek	1940	16,200	Fair
Market St over Pine Creek	1972	16,169	Good
Pleasant Hill Rd over Las Trampas Creek	1967	15,780	Fair
Richmond Parkway over Wild Cat Creek	1989	15,759	Fair
Fairview Ave over State Route 4	2009	15,400	Good
State Route 4 over Marsh Creek	2009	15,400	Good
Mt. Diablo Blvd over San Ramon Creek Bypass	1986	15,300	Good
San Pablo Ave over Garrity Creek	1924	15,260	Good
San Pablo Ave over Mccarthy Creek	1969	15,109	Good
State Route 24 over First Street	1970	15,000	Good
Empire Ave over Contra Costa Canal	1994	14,901	Good
El Cerro Blvd over San Ramon Creek	1991	14,827	Fair
Taylor Blvd over Grayson Creek	1961	14,800	Good
Mt. Diablo Blvd over Las Trampas Creek	1971	14,294	Good
Mt. Diablo Blvd over San Ramon Creek	1971	14,294	Good
SB 680-wb 4 Conn over Blum Road	2005	14,100	Good
Diablo Rd over Green Valley Creek	1959	14,013	Good
Marina Vista Ave over Shell Oil Co Pipe Uc	1920	14,000	Fair
Pinole Valley Rd over Pinole Creek	1936	14,000	Fair
23RD St over Wildcat Creek	1940	13,993	Good
W24-camino Pablo over Camino Pablo	1969	13,800	Good
Somersville Road over Contra Costa Canal	2009	13,686	Good
Byron Hwy over Kellogg Creek	1940	13,637	Fair
S160-e4 Connector over E4-n160 Connect UPRR	2016	13,600	Fair
Bayview Avenue Oc over Interstate 580	1987	13,500	Poor
Church Lane over Wildcat Creek	1973	13,320	Fair
Van Ness Street over Wildcat Creek	1960	13,320	Good
Walnut Blvd over E Contra Costa Id Canal	1968	13,086	Good
Harbor St over Contra Costa Canal	1966	13,000	Fair
Church Lane over San Pablo Creek	1955	12,540	Poor
W4-w80 Connector over State Route 4	1958	12,500	Fair
Crow Canyon Road over Interstate 680	1966	12,341	Fair
Taylor Blvd over Contra Costa Canal	1961	12,300	Good
W80-barrett Offrmp over San Pablo Avenue	1964	12,220	Fair
N680-cc Blvd Ramp over Interstate 680	1998	12,100	Fair
Byron Hwy over Brushy Creek	1953	12,023	Fair
Bart Access Road over E4-bailey Rd Off Ramp	1997	12,000	Fair
Clayton Rd over Pine Creek	1981	12,000	Good
Montevideo Dr over South San Ramon Creek	1967	12,000	Good
North Parkside Dr over Range Road	1963	12,000	Fair
Onramp to SR 4 EB over Deer Creek	2018	12,000	Fair
E4-n160 Connector over UP RR	1971	11,950	Fair
S160-w4 Connector over UP RR	1971	11,950	Good
Appian Way over San Pablo Creek	1938	11,492	Fair
SR 24 EB Ramp over Pleasant Hill Road	1971	11,450	Fair
W4-n160 Connector over UPRR Tracks	2016	11,400	Good
SR 24 WB Ramp over Pleasant Hill Road	1970	11,100	Fair
San Pablo Ave over Pinole Creek	1929	11,000	Fair
Canal Rd over Contra Costa Canal	1939	10,900	Good
Canal Rd over Contra Costa Canal	1969	10,900	Good
Chilpacingo Parkwy over Grayson Creek	1969	10,810	Good
Bollinger Cyn Rd over Interstate 680	1966	10,800	Fair
Pittsb-antioch Hwy over Kirker Creek	1950	10,610	Fair
Pittsb-antioch Hwy over Kirker Creek	2005	10,610	Good
Balfour Rd. over Marsh Creek	1996	10,600	Fair
Balfour Rd. over Marsh Creek	1996	10,600	Fair
St Marys Road over Las Trampas Creek	1975	10,570	Good
Central Avenue over Interstate 580	1991	10,500	Fair
El Portal Drive over San Pablo Creek	2013	10,500	Good
Olympic-s680 on over Las Trampas Creek	1994	10,300	Fair
San Pablo Ave over BNSF Ry and Amtrak	1938	10,300	Poor
Mcbryde Avenue over Interstate 80	1997	10,246	Fair
WB Route 4 over Private Access Road	2002	10,200	Good
Gregory Ln over Grayson Creek	1959	10,000	Good
Moraga Way over W Branch San Leandro CR	1954	10,000	Fair
Railroad Ave over UP RR Parkside Railroad	1988	10,000	Poor
State Route 4 EB over Lone Tree Way	2013	10,000	Good
State Route 4 EB over San Jose Avenue	2013	10,000	Good
State Route 4 EB over Sand Creek Road	2013	10,000	Good
State Route 4 WB over Sand Creek Road	2014	10,000	Good
Greenbrook Drive over Interstate 680	1966	9,500	Fair
Hillcrest Ave over Contra Costa Canal	1990	9,500	Good
Cypress Road over Marsh Creek	1964	9,415	Poor
Concord Blvd over Mount Diablo Creek	1957	9,381	Good
Cowell St over Galindo Creek	1978	9,000	Good
Gregory Ln over Contra Costa Canal	1939	9,000	Good
Pine Valley Rd over South San Ramon Creek	1967	9,000	Good
Valley View Rd over San Pablo Creek	1966	8,760	Good
Viewpointe Blvd over Rodeo Creek	1974	8,599	Good
Fairview Avenue over Sand Creek	1966	8,500	Good
May Road over San Pablo Creek	1963	8,468	Good
Fostoria Parkway over Interstate 680	1992	8,400	Fair
Byron Hwy over California Aqueduct	1964	8,387	Poor
N242-w4 Connector over State Routes 4 & 242	1978	8,300	Poor
Viking Dr over Grayson Creek	1960	8,300	Fair
Cummings Skyway over Interstate 80	1958	8,200	Fair
Cummings Skyway over State Route 4	1967	8,100	Good
E80-san Pablo Off over Barrett Avenue	1997	8,060	Good
Ayers Road over Mount Diablo Creek	1987	8,000	Poor
Canyon Road over Moraga Creek	2022	8,000	Good
Rudgear Rd over San Ramon Creek	1964	8,000	Good
State Route 4 over San Jose Avenue	2003	8,000	Good
Tennent Ave over Pinole Creek	1967	8,000	Fair
Livorna Rd over San Ramon Creek	1971	7,924	Good
Wilbur Ave over BNSF Ry & Amtrak UP RR	1958	7,816	Fair
State Route 4 EB over Sand Creek	2013	7,700	Good
Greenbrook Dr over Cow Creek	1971	7,643	Fair
Greenbrook Dr over San Ramon Creek	1965	7,643	Fair
Tassajara Road over Tassajara Creek	1995	7,539	Fair
E4-s242 Connector over Ebmud Service Road	1978	7,500	Fair
West Leland Rd over Contra Costa Canal	1976	7,500	Good
Boyd Rd over E. Fork Grayson Creek	1954	7,400	Fair
Minnesota Ave over Sand Creek	1992	7,400	Fair
Willow Pass Rd over Mt Diablo Crk	1944	7,200	Good
Oakvale Road over Interstate 680	1997	7,100	Fair
N680-pacheco Offrp over Interstate Route 680	1962	7,000	Poor
SR 160 NB over Wilbur Avenue	1971	6,800	Fair
SR 160 SB over Wilbur Avenue	1971	6,800	Fair
Center Avenue over Grayson Creek	1970	6,706	Good
Central Blvd over Marsh Creek	1991	6,700	Good
Wilbur Ave over E Antioch Creek	1959	6,603	Good
Oak Grove Rd over Pine Creek	1974	6,600	Fair
Oak Grove Rd over Pine Creek	1974	6,600	Good
Byron Highway over Delta-Mendota Canal	1953	6,500	Good
Camino Ramon over San Ramon Creek	1966	6,488	Fair
Miner Rd over San Pablo Creek	1931	6,368	Fair
S 242 on Ramp over Ebmud Service Road	1978	6,300	Fair
Vintage Parkway over BNSF Ry & Amtrak	1988	6,177	Fair
W. Cypress Rd over Contra Costa Canal	1938	6,167	Good
G St over UP RR	1967	6,100	Fair
Glenside Dr over Las Trampas Creek	1963	6,025	Fair
Laurel Road over State Route 4	2008	6,000	Good
Orinda Way over San Pablo Creek	1920	6,000	Good
Somersville Road over West Antioch Creek	1992	6,000	Good
Bethel Island Road over Dutch Slough	2010	5,881	Good
Bailey Road over Mount Diablo Creek	2003	5,858	Fair
Creekside Dr over San Ramon Creek	1959	5,800	Poor
Sunset Road over Marsh Creek	2005	5,800	Good
SR 160 NB over BNSF Ry UP RR & Amtrak	1971	5,700	Good
SR 160 NB over E 18TH Street	1971	5,700	Good
SR 160 SB over BNSF Ry UP RR & Amtrak	1971	5,700	Fair
SR 160 SB over E 18TH Street	1971	5,700	Good
Marsh Creek Rd over Marsh Creek	1937	5,637	Fair
Marsh Creek Road over Marsh Creek	2018	5,637	Good
13TH St over UP RR BNSF Amtrak Bartd	1967	5,600	Fair
Marsh Creek Rd over Marsh Creek	1934	5,588	Fair
Buchanan Rd over Contra Costa Canal	1938	5,500	Good
E80-willow Avenue over Willow Avenue	2010	5,500	Fair
Main St over Arroyo Del Hambre	1925	5,500	Good
Milano Way over State Route 4	1975	5,500	Fair
State Route 24 over Acalanes Road	1969	5,500	Fair
NB SR 242 On-ramp over Concord Avenue	1996	5,200	Fair
Bollinger Canyon R over E Branch Pkwy	2005	5,000	Good
Bollinger Canyon over East Branch Alamo Creek	2006	5,000	Good
Bollinger Canyon over Main Branch Alamo Creek	2006	5,000	Fair
Bollinger Canyon over Main Branch Alamo Creek	2006	5,000	Fair
Contra Costa Bl NB over Contra Costa-s680 on Rmp	1998	5,000	Fair
Crestview Dr over Contra Costa Canal	1981	5,000	Good
Cutting Blvd over Interstate 580	1989	5,000	Fair
Duncan Street over Walnut Creek	1971	5,000	Good
Giant Hwy over San Pablo Creek	1981	5,000	Fair
Golf Club Road over Contra Costa Canal	1940	5,000	Good
S680-olympic Offrp over E24-s680 Connector Ramp	1999	5,000	Fair
Vale Rd over Wildcat Creek	1960	5,000	Fair
Escobar St over Arroyo Del Hambre	1987	4,900	Good
Shell Ave over Arroyo Del Hambre	1955	4,900	Poor
Boulevard Way over Las Trampas Creek	1978	4,840	Good
E4-port Chicago over W4-s242 & N242-e4 Conns	1978	4,800	Good
Diablo Rd-s680 on over San Ramon Creek	1975	4,750	Good
N680-diablo Rd Off over San Ramon Creek	1975	4,650	Good
Garrow Drive over Contra Costa Canal	1991	4,500	Good
Gentrytown Drive over Contra Costa Canal	1973	4,500	Good
Marina Vista Ave over Arroyo Del Hambre	1989	4,500	Good
St Stephens Drive over State Route 24 & Bartd	1969	4,500	Good
Detroit Ave over Pine Creek	1960	4,493	Good
Putnam Street over West Antioch Creek	1973	4,490	Fair
Wilder Road over State Route 24	1964	4,460	Good
E80-macdonald Off over Macdonald Ave & E80 Off	1979	4,420	Good
I-580 W on Ramp over Central Ave	1991	4,400	Good
I-580 on Ramp over Central Ave	1991	4,400	Fair
Shell Ave over Oil Refinery Pipe Uc	1940	4,386	Fair
W580-central Off over Central Ave	1991	4,300	Poor
W580-central Off over Central Ave	1991	4,300	Fair
Fourth St over Rodeo Creek	1986	4,279	Fair
Giant Hwy over Rheam Creek	1993	4,220	Fair
Bernard Road over Marsh Creek	2003	4,200	Good
Dainty Road over Marsh Creek	1964	4,200	Fair
Laurel Road over Marsh Creek	1990	4,200	Fair
Laurel Road over Rr/neroly Road	2010	4,200	Fair
Waterfront Rd over Peyton Slough	1955	4,185	Fair
Delta Road over Marsh Creek	1965	4,147	Poor
Pleasant Hill Rd over Taylor Blvd	1956	4,125	Poor
Cavallo Rd over E Antioch CR	1961	4,100	Good
Harbour Way over Interstate 580	1989	4,000	Fair
Hercules Ave over BNSF Ry	1985	4,000	Fair
Hillcrest Ave over Gillippi Gulch	1958	4,000	Fair
Marina Way Oc over Interstate 580	1989	4,000	Good
Pinole Vly Rd over Pinole Creek	1996	4,000	Fair
Concord Avenue over Marsh Creek	1959	3,979	Good
Marsh Creek Rd over Marsh Creek	1981	3,979	Fair
Marsh Creek Rd over Marsh Creek	1937	3,979	Fair
Highland Road over Tassajara Creek	1996	3,968	Fair
Byron Hwy over E Contra Costa Id Canal	1968	3,727	Good
Shady Willow Lane over Sand Creek	2007	3,700	Fair
W580-bayview Off over None	1987	3,650	Fair
Bayview-w580 Onrmp over None	1987	3,600	Fair
E24-pleasant Hill over Mount Diablo Boulevard	1971	3,600	Fair
Norris Canyon Road over Interstate 680	1966	3,600	Fair
El Capitan Dr over San Ramon Creek	1975	3,523	Fair
14TH St over Harbor Street	1990	3,500	Fair
El Curtola Blvd over State Route 24 & Bartd	1971	3,500	Good
North Gate Road over Pine Creek	1970	3,500	Good
Second Ave South over Grayson Creek	1954	3,419	Poor
Elinora Drive over Grayson Creek	1958	3,400	Fair
West El Pintado Rd over Green Valley Creek	1970	3,322	Good
Sellers Ave over E Contra Costa Id Canal	1967	3,309	Good
Ward St over Arroyo Del Hambre	1958	3,300	Fair
San Pablo Ave over Rodeo Creek	2015	3,294	Good
Port Chicago Hwy over Mount Diablo Creek	1979	3,240	Good
Christen Dr over Contra Costa Canal	1990	3,200	Good
Del Monte Dr over BNSF Ry	1965	3,124	Poor
Third St over Wildcat Creek	1955	3,119	Good
Old Tunnel Rd over Reliez Creek	1971	3,100	Good
Pomona St-wb 80 on over Wanda Pomona Virginia	2003	3,100	Fair
Canal Rd over Contra Costa Canal	1969	3,010	Good
Canal Road over Contra Costa Canal	2018	3,010	Good
Arnold Drive over BNSF Ry	1975	3,000	Fair
Brown St over Arroyo Del Hambre	1929	3,000	Fair
Erlandson St over Interstate Route 580	1988	3,000	Fair
Ferry Street over Arroyo Del Hambre	1940	3,000	Poor
Green Street over Arroyo Del Hambre	1940	3,000	Good
Parking Lot Access over Camino Pablo Road	1969	3,000	Fair
South 23RD St over Interstate 580	1987	3,000	Fair
Sycamore Valley Rd over Interstate 680	1964	3,000	Good
Waterfront-n680 on over Marsh Wetlands	2006	3,000	Fair
San Miguel Road over Pine Creek	1965	2,944	Fair
Driftwood Drive over Contra Costa Canal	1994	2,907	Good
El Nido Ranch Rd over Lafayette Aqueduct	1969	2,843	Good
La Gonda Way over San Ramon Creek	1950	2,800	Poor
Bollinger Canyon over West Branch Alamo Creek	2005	2,760	Good
Dougherty Road over West Branch Alamo Creek	2015	2,760	Good
Dougherty Road over West Branch Alamo Creek	2015	2,760	Fair
Dougherty Road over West Branch Alamo Creek	2015	2,760	Good
Eb80-pomona St Off over Pomona St Wanda St	2003	2,700	Good
S680 On-marina Vis over Marsh Wetlands	2016	2,650	Good
Camino Sobrante over San Pablo Creek	1955	2,514	Poor
SB SR 242 On-ramp over Concord Avenue	1996	2,500	Fair
Canal Bl-w580 Onrp over BNSF Ry & Garrard Blvd	1980	2,450	Poor
Waterfront Rd over Pacheco Slough	1948	2,409	Poor
Waterfront Rd over UP RR BNSF Ry & Amtrak	1978	2,409	Fair
Deer Valley Rd over Marsh Creek	1991	2,400	Good
Valley Vista Rd over Pine Creek	1989	2,400	Good
Mota Drive over Contra Costa Canal	1985	2,355	Good
N. Gale Ridge Rd over West Branch Alamo Creek	2005	2,300	Fair

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Source: FHWA National Bridge Inventory, 2025.

Contra Costa County bridge conditions · California bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.